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Search Results: 1 - 10 of 73246 matches for " WU Zhong-Fu "
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An Artificial Immune Algorithm for Job Scheduling in Grid Environment with Fuzzy Processing Time

LI Ji,ZHONG Jiang,WU Zhong-Fu,

计算机科学 , 2006,
Abstract: 目前,网格计算作为一种新的计算范式正在兴起。任务调度是其中的一个重要研究领域。该文以AIS的克隆选择算法为基础,给出了基于人工免疫系统的网格任务调度算法。首先,对网格任务调度问题进行模糊化,并给出了形式化描述,随后用结构化的语言对算法进行了说明,最后通过仿真实验对算法的有效性以及算法参数对性能的影响进行了验证。
Worm Defense Model Based on P2P Technology

ZHOU Ying,WU Zhong-Fu,ZHONG Jiang,

计算机科学 , 2007,
Abstract: To solve the problem of Worm in large-scale network environment, A hierachical Peer-to-Peer overlay network for worm prevention is proposed in this paper as HPOWP. On hierachical P2P structure, HPOWP further enhances scalability of traditional P2P system, and adapts well to the existing network infrastructur. An aggregation tree based on distributed hash tables is used for worm recognition and obtains good results. HPOWP provides a good solution for worm prevention in the large-scale and complex network environment.
A Method of Generating Secure Elliptic Curves

WU Kai-Gui,WU Zhong-Fu,

计算机科学 , 2006,
Abstract: Elliptic curve cryptography is a very efficient basic technology for public key infrastructures, but there is a paucity of efficient means for generating suitable elliptic curves. This paper presents a method for generating elliptic curves of known order

WU Xiao-pei,YE Zhong-fu,

生物物理学报 , 2005,
Abstract: In this paper,the classification method of mental activities based the normalized 4th order cumulant (kurtosis) was proposed.The EEG signals were recorded during imagination of left or right hand movement.The 4th order cumulants of EEG and its dynamic properties with respect to time were analyzed.The experiment results showed that the 4th order cumulant could reflect the EEG pattern changes of different motor imageries.According to the analysis and experiment results,the classification of left or right hand movement imagination based the 4th order cumulant was designed.The correct rate of classification could achieve 87.5%.Since the computation of 4th order cumulant is very simple and can also be estimated in on-line way,the new method has the practicability in the application of brain-computer interface technique.
Design and Implementation of Virtual Network Design Platform

LI Hua,SUN Zhi-yong,WU Zhong-fu,

计算机应用研究 , 2006,
Abstract: The network experiment is important to the learning of computer network knowledge,but experimental environments are not always available because of the diversity of the network structures and expensive network devices.This paper proposes to use software to simulate the experimental environments to solve this problem. By the function analysis and system structure design of Virtual Network Design Platform(VNDP),we use the foundation class libraries of tool(Form ) and also VRML technology to implement the platform which integrate the network-design,software-configuration and 3D-display of devices.This platform has been proved useful and valuable in the computer network experiment for undergraduates.
Technical Study on Photoshop Based Relief Image Digital Rubbings

ZHU Xiao-li,WU Zhong-fu,

计算机科学 , 2008,
Abstract: As an unique traditional art in China,rubbings are a bit on edge with some embarrassment.On one hand,it should be highlighted and promoted as an invaluable intangible cultural heritage,which enjoys significance for culture,art and other fields.On the other hand,the traditional making method of rubbings is sort of going against with the protection of those priceless relics.For these reasons,based on art skills and computer technologies,a scheme for transforming the relief image photo into digital rubbings wa...
On Template Matching Method for Carved Stone Image

LI Ya-mei WU Zhong-fu,

计算机科学 , 2008,
Abstract: This paper puts forward the template matching method for carved stone image taking the Southern Song Dynasty grave in the south of Sichuan as the contact point.It puts special stress on analyzing the concrete template matching method and process,discusses the key problems in the matching process,and proves the validity of this method through simulation experiment,in the end,pointing out further research direction.
Method for Available Bandwidth Measuring and Analysis of IPv6 Network

QIU Quan-jie,WU Zhong-fu,

计算机科学 , 2011,
Abstract: Based on the analysis of the measurement principle of IPv4 network bandwidth and with the combination of the next generation network protocol IPv6,we put forward a on}way and different length packet pair subtraction method for available bandwidth measuring of IPv6 network. An IPv6 network available bandwidth measuring prototype system was designed and programmed by using the flow label field of IPv6 messages to control the sequence path of tested messages. The test results show that the algorithm is feasible for IPv6 network with the measuring error less than 0. 1M. The measuring results arc realistic and better to reflect the real-time correlation of network available bandwidth and time delay, providing a useful means of network monitoring and performance measuring.
Research on Security Model for Industrial Control Networks

WANG Hao,WU Zhong-Fu,WANG Ping,

计算机科学 , 2007,
Abstract: In order to reduce production cost and improve productivity,more proprietary networks is interconnected to IT networks,or more IT technologies are applied to industrial automation systems,network security become a significant problem.Industrial control networks become important component of national infrastructure,when it is attacked or broken,its impact is calamity.Therefore,protecting the security of industrial control networks and defending kinds of attacks and threats is the key contents of nation security.Combining the first Chinese industrial Ethernet standard,Standard for Digital Data Communication for EPA-based Industrial Control Systems,This paper builds general industrial control networks architecture,researches and analyzes threats to it,advances security requirements and proposes DMZ model based security zone,finally depict the model with UML.
EPN-based Approach for E-learning Resource Composition

GAO Min,LI Hua,WU Zhong-fu,

计算机科学 , 2009,
Abstract: In e-learning domain,learning resource composition is essential to improve the efficiency of courseware development This paper presented an EPN-based approach to e-learning resource composition flows modeling and analysis.Till now,most methods are based on high-level Petri nets (HPN) ,but the resources HPN described are not suitable for learning resource composition.That leads to the inefficiency in modeling and analyzing composition flows.We proposed a EPN-based approach to the issue.We described technique for transition rules representing,algorithm,and workflow,so that resource composition can be automatically carried out Finally,an example shows the method is suitable to the resource composition.
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